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RDMA/qedr: Use ib_umem_num_dma_blocks() instead of ib_umem_page_count()

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The length of the list populated by qedr_populate_pbls() should be
calculated using ib_umem_num_dma_blocks() with the same size/shift passed
to qedr_populate_pbls().

Link: https://lore.kernel.org/r/10-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Jason Gunthorpe 2020-09-04 19:41:51 -03:00
parent 68363052ff
commit 901bca71cd
1 changed files with 3 additions and 4 deletions
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7
drivers/infiniband/hw/qedr/verbs.c
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@ -784,9 +784,7 @@ static inline int qedr_init_user_queue(struct ib_udata *udata,
return PTR_ERR(q->umem);
}
fw_pages = ib_umem_page_count(q->umem) <<
(PAGE_SHIFT - FW_PAGE_SHIFT);
fw_pages = ib_umem_num_dma_blocks(q->umem, 1 << FW_PAGE_SHIFT);
rc = qedr_prepare_pbl_tbl(dev, &q->pbl_info, fw_pages, 0);
if (rc)
goto err0;
@ -2856,7 +2854,8 @@ struct ib_mr *qedr_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 len,
goto err0;
}
rc = init_mr_info(dev, &mr->info, ib_umem_page_count(mr->umem), 1);
rc = init_mr_info(dev, &mr->info,
ib_umem_num_dma_blocks(mr->umem, PAGE_SIZE), 1);
if (rc)
goto err1;